Reduce Length 1
Examples
random_hcpcs(20) |>
split_lengths() |>
split_first() |>
process_groups() |>
red1()
#> ^EJV6[A-Z0-9]{4}
Reduce Length 1
random_hcpcs(20) |>
split_lengths() |>
split_first() |>
process_groups() |>
red1()
#> ^EJV6[A-Z0-9]{4}